CH245848A - Circuit arrangement for the low-noise transmission of electrical oscillations with at least one screen grid discharge tube. - Google Patents
Circuit arrangement for the low-noise transmission of electrical oscillations with at least one screen grid discharge tube.Info
- Publication number
- CH245848A CH245848A CH245848DA CH245848A CH 245848 A CH245848 A CH 245848A CH 245848D A CH245848D A CH 245848DA CH 245848 A CH245848 A CH 245848A
- Authority
- CH
- Switzerland
- Prior art keywords
- low
- circuit arrangement
- discharge tube
- screen grid
- noise transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
- H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL245848X | 1942-04-16 | ||
NL2486076X | 1943-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH245848A true CH245848A (en) | 1946-11-30 |
Family
ID=32232797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH245848D CH245848A (en) | 1942-04-16 | 1943-04-14 | Circuit arrangement for the low-noise transmission of electrical oscillations with at least one screen grid discharge tube. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2486076A (en) |
BE (1) | BE450187A (en) |
CH (1) | CH245848A (en) |
FR (2) | FR894004A (en) |
GB (1) | GB613681A (en) |
NL (1) | NL60694C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2659776A (en) * | 1949-05-13 | 1953-11-17 | Nowak Karl | Selective receiving and amplifying circuit |
US2662939A (en) * | 1949-04-02 | 1953-12-15 | Nowak Karl | High selectivity amplifier |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL70859C (en) * | 1947-08-14 | |||
BE484503A (en) * | 1947-08-25 | |||
US2662172A (en) * | 1950-02-21 | 1953-12-08 | Sperry Prod Inc | Oscillator cancellation frequency converter |
US2713118A (en) * | 1951-05-04 | 1955-07-12 | Robert W Hart | Communication system |
US2963660A (en) * | 1954-04-02 | 1960-12-06 | Northrop Corp | Signal frequency converter |
DE1081514B (en) * | 1957-02-05 | 1960-05-12 | Deutsche Bundespost | Broadband amplifier stage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB509398A (en) * | 1937-12-14 | 1939-07-14 | James Robinson | Improvements in retroactive valve apparatus |
US2227604A (en) * | 1938-01-29 | 1941-01-07 | Rca Corp | Ultra high frequency device |
US2256067A (en) * | 1938-05-27 | 1941-09-16 | Rca Corp | Receiver selectivity control |
-
0
- BE BE450187D patent/BE450187A/xx unknown
- NL NL60694D patent/NL60694C/xx active
-
1943
- 1943-04-14 FR FR894004D patent/FR894004A/en not_active Expired
- 1943-04-14 CH CH245848D patent/CH245848A/en unknown
-
1944
- 1944-02-21 FR FR53342D patent/FR53342E/en not_active Expired
-
1946
- 1946-06-26 GB GB19079/46A patent/GB613681A/en not_active Expired
- 1946-09-18 US US697769A patent/US2486076A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2662939A (en) * | 1949-04-02 | 1953-12-15 | Nowak Karl | High selectivity amplifier |
US2659776A (en) * | 1949-05-13 | 1953-11-17 | Nowak Karl | Selective receiving and amplifying circuit |
Also Published As
Publication number | Publication date |
---|---|
US2486076A (en) | 1949-10-25 |
NL60694C (en) | |
BE450187A (en) | |
FR53342E (en) | 1945-10-16 |
GB613681A (en) | 1948-12-01 |
FR894004A (en) | 1944-12-12 |
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